87235937365 has 8 divisors (see below), whose sum is σ = 105090453720. Its totient is φ = 69517197312.

The previous prime is 87235937363. The next prime is 87235937381. The reversal of 87235937365 is 56373953278.

It can be written as a sum of positive squares in 4 ways, for example, as 11765957841 + 75469979524 = 108471^2 + 274718^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87235937365 - 2¹ = 87235937363 is a prime.

It is a super-2 number, since 2×87235937365² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87235937363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33942660 + ... + 33945229.

It is an arithmetic number, because the mean of its divisors is an integer number (13136306715).

Almost surely, 2^87235937365 is an apocalyptic number.

It is an amenable number.

87235937365 is a deficient number, since it is larger than the sum of its proper divisors (17854516355).

87235937365 is a wasteful number, since it uses less digits than its factorization.

87235937365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67888151.

The product of its digits is 28576800, while the sum is 58.

The spelling of 87235937365 in words is "eighty-seven billion, two hundred thirty-five million, nine hundred thirty-seven thousand, three hundred sixty-five".